# hello world.py

names = ["A","B","C","D"]
a = names[3]

b = names[0] = "Z"

names.append("X")
print names
names.insert(1,"F");


print a
print b
print names
print names[:3]

c = [1,2,3] + [6,8]
print c


d = [1,"A",3.14,["B",8,9,[100,102]],10]

e = d[1]
f = d[3][2]
g = d[3][3][0]

print d
print e
print f
print g







